(19)
(11) EP 4 570 048 A1

(12)

(43) Date of publication:
18.06.2025 Bulletin 2025/25

(21) Application number: 23754443.2

(22) Date of filing: 02.08.2023
(51) International Patent Classification (IPC): 
H10K 85/50(2023.01)
H10K 30/20(2023.01)
(52) Cooperative Patent Classification (CPC):
H10K 85/50; H10K 30/211; Y02E 10/549
(86) International application number:
PCT/IB2023/057823
(87) International publication number:
WO 2024/033755 (15.02.2024 Gazette 2024/07)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 09.08.2022 IT 202200017004

(71) Applicant: Eni S.p.A.
00144 Roma (IT)

(72) Inventors:
  • GRANCINI, Giulia
    15057 Tortona (AL) (IT)
  • MONTECUCCO, Riccardo
    27100 Pavia (PV) (IT)
  • QUADRIVI, Eleonora
    28100 Novara (NO) (IT)

(74) Representative: Bottero, Carlo et al
Barzanò & Zanardo S.p.A. Via Borgonuovo, 10
20121 Milano
20121 Milano (IT)

   


(54) PROCESS FOR THE PREPARATION OF PEROVSKITE-BASED INKS